Test & improve the getCentroid/centroid method of collections

2012-06-22 18:23:40 +02:00
parent abb254a0fb
commit be9448457d
3 changed files with 73 additions and 2 deletions
--- a/src/ol/geom/Collection.js
+++ b/src/ol/geom/Collection.js
@@ -180,8 +180,12 @@ ol.geom.Collection.prototype.getCentroid = function() {
    if (len > 0) {
        goog.array.forEach(components, function(component){
            var singleCentroid = component.getCentroid();
-            sum_x += singleCentroid.getX();
-            sum_y += singleCentroid.getX();
+            if (goog.isDefAndNotNull(singleCentroid)) {
+                sum_x += singleCentroid.getX();
+                sum_y += singleCentroid.getX();
+            } else {
+                len--;
+            }
        });
        centroid = new ol.geom.Point(sum_x / len, sum_y / len);
    }